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WO2009079218A2 - Ensemble régulateur de soupape intégré et système pour le stockage et la distribution contrôlés d'un matériau dangereux - Google Patents

Ensemble régulateur de soupape intégré et système pour le stockage et la distribution contrôlés d'un matériau dangereux Download PDF

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Publication number
WO2009079218A2
WO2009079218A2 PCT/US2008/085525 US2008085525W WO2009079218A2 WO 2009079218 A2 WO2009079218 A2 WO 2009079218A2 US 2008085525 W US2008085525 W US 2008085525W WO 2009079218 A2 WO2009079218 A2 WO 2009079218A2
Authority
WO
WIPO (PCT)
Prior art keywords
atmospheric pressure
hazardous material
pressurized source
source vessel
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2008/085525
Other languages
English (en)
Other versions
WO2009079218A3 (fr
Inventor
Richard J. Udischas
Denis Muller
Werner Schleser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of WO2009079218A2 publication Critical patent/WO2009079218A2/fr
Publication of WO2009079218A3 publication Critical patent/WO2009079218A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/035—Orientation with substantially horizontal main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless steels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0646—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0173—Details of mounting arrangements lockable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0305—Bosses, e.g. boss collars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0341—Filters
    • F17C2205/0344—Sinter type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/038—Subatmospheric pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
    • F17C2223/041—Stratification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
    • F17C2223/042—Localisation of the removal point
    • F17C2223/043—Localisation of the removal point in the gas
    • F17C2223/045—Localisation of the removal point in the gas with a dip tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F17C2270/0518—Semiconductors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]

Definitions

  • the present invention relates to an improved integrated valve regulator assembly for use in the pressurized storage and dispensing of hazardous materials.
  • the present invention further relates to a system for storing hazardous materials in the form of compressed gases or liquefied gases and the dispensing of these hazardous materials as gases which system includes the improved integrated valve regulator assembly and a pressurized gas storage vessel.
  • Regulators and gas dispensing equipment are typically used for bringing a gas from its transport or storage pressure to its service pressure and then dispensing the gas at this service pressure. Not only is it important that such gases be dispensed precisely or that the purity of such gases be accurately preserved, in the case where such gases are considered to be hazardous or toxic to the operator of the system, it is also important that the operator be protected from exposure to such gases. More specifically, in areas such as the manufacture of electronics, photovoltaic solar cells, flat panel display manufacture, LED manufacture, laboratory analysis and the like, materials that are utilized often qualify as hazardous materials since contact with these materials would be considered to be harmful and/or dangerous to the operator of such a system. It is therefore important to be able to provide a safe and effective manner for operators to handle such hazardous materials at either super-atmospheric pressures or sub-atmospheric pressures to minimize the possible dangers to operators.
  • a number of systems are currently available for the storage and dispensing of hazardous gases at sub-atmospheric pressures but each of these has their own drawbacks. More specifically, there are systems which seek to minimize the hazards by placing the dispensing means inside the gas cylinder. Such systems hold less product and cannot hold liquefied products. In addition, such systems present problems when such cylinders are placed on their side.
  • Other systems exist which utilize adsorbents for the storage of the hazardous gases. However, these systems are also limited in their capacity due to the inclusion of adsorbents, the capacity limitation of the absorbent for the molecule to be adsorbed, desorption due to exposure to temperatures higher than indoor temperatures and issues with purity.
  • Other apparatus include the mechanical means within the pressurized vessel.
  • the mechanical means take up space within the vessel limiting the volume for the gas in an already small vessel (those having a capacity of 2.5 liter volume).
  • the mechanical means there is the additional issue of the mechanical means coming into contact with the liquefied gases.
  • the present invention provides for an integrated valve regulator assembly that comprises an integral body having a base portion that includes an axis for mounting on and coaxially with the neck portion of a pressurized source vessel and an assembly outlet, a defined internal passage in the integral body that extends through and between the base portion of the integral body and the assembly outlet, a sub-atmospheric pressure regulator assembled within the integral body of the integrated valve regulator assembly, an isolation valve positioned within the defined internal passage of the integral body and located downstream from and in communication with the sub-atmospheric pressure regulator, and a filling port disposed between the axis for mounting on and coaxially with the neck portion of the pressurized source vessel and the sub-atmospheric pressure regulator.
  • the present invention further provides for a system for the controlled storage and dispensing of a hazardous material at sub-atmospheric pressure that comprises a pressurized source vessel and the integrated valve regulator assembly of the present invention.
  • the present invention further provides for an additional integrated valve regulator assembly as described with the exception that the pressure regulator utilized is for super-atmospheric pressure conditions and also a system that comprises a pressurized source vessel and the integrated valve regulator assembly that includes a super- atmospheric pressure regulator.
  • Figure 1 provides a cut away of one embodiment of the pressurized source vessel of the present invention.
  • Figure 2 provides a front view of the exterior of one embodiment of the integrated valve regulator assembly of the present invention.
  • Figure 3 provides an alternative side view of the exterior of one embodiment of the integrated valve regulator assembly of the present invention.
  • Figures 4a, 4b and 4c provide a top view of the integrated value regulatory assembly of the present invention and two different cut-away perspectives (front and side views) of an alternative embodiment of the integrated valve regulator assembly of the present invention.
  • Figure 5 provides a front view of an alternative embodiment of the integrated valve regulator assembly of the present invention which includes a dip tube.
  • Figure 6 provides a view of the gas delivery device attached to a pressurized source vessel.
  • the present invention provides an integrated valve regulator assembly for use in a system for the controlled storage and dispensing of a hazardous material at either super- atmospheric pressure or sub-atmospheric pressure.
  • the system comprises at least a pressurized source vessel and the integrated valve regulator assembly of the present invention.
  • Systems such as those of the present invention are often used in industrial processes and applications, including areas such as semiconductors manufacturing, to supply hazardous materials to downstream systems.
  • the present system is contemplated to supply a hazardous material directly to a downstream system (including having the system directly in the room where the downstream system is being utilized) or to supply a hazardous material to a manifold which will then supply the hazardous material to one or more downstream systems.
  • the phrase "hazardous material(s)" refers to any material which because of its corrosive or toxic nature may cause temporary or permanent damage or harm to a person who comes in contact with the hazardous material.
  • One of the objectives of the present invention is to minimize the dangerous risks associated with the storage and dispensing of hazardous materials for the operators that are working either directly or indirectly with such systems as those described herein.
  • Examples of materials which are considered to be hazardous materials within the scope of the present invention include, but are not limited to, PH 3 , BF 3 , AsH 3 , GeH 4 , H 2 Se, COS, TMB (trimethyl boron), GeF 4 , AsF 5 , SiH 4 , NF 3 and PF 3 .
  • non-limiting examples of the hazardous material(s) contemplated to be stored and dispensed will typically be PH 3 , BF 3 , AsH 3 .
  • non-limiting examples of the hazardous material(s) contemplated to be stored and dispensed will typically be GeH 4 , H 2 Se, COS, TMB (trimethyl boron), GeF 4 , AsF 5 , SiH 4 , NF 3 and PF 3 .
  • the system of the present invention comprises a pressurized source vessel having mounted thereon an integrated valve regulator assembly that is a pressure regulator/valve assembly.
  • the pressurized source vessel can be any cylinder or other appropriate container that is typically utilized for storing and supplying the hazardous materials as described herein provided that the vessel has a neck portion and an interior space for holding a hazardous material in either a liquefied gas form or a compressed gas form and further that the neck portion has a vessel outlet that traverses the neck portion and is in communication with the interior space through which the hazardous material can flow.
  • the vessel outlet serves as an outlet for the flow of the hazardous material.
  • the pressurized source vessel can be made of any material that is not susceptible to the effects of coming in contact with the hazardous material stored therein and must have the ability to withstand high degrees of pressure.
  • Such vessels will be made of carbon steel, aluminum or stainless steel although those of ordinary skill in the art will recognize that other types of materials may be used to make these vessels.
  • the integrated valve regulator assembly of the present invention is for use with a pressurized source vessel.
  • the integrated valve regulator assembly includes an integral body, an assembly outlet, a defined internal passage, a pressure regulator, an isolation valve and a filling port.
  • the internal body of the integrated valve regulator assembly is basically the housing for the system.
  • the integral body has a base portion that includes an axis for mounting on and coaxially with the neck portion of the pressurized source vessel. The mounting is made in such a way that when the conditions are such as to allow the flow of hazardous material from the pressurized source vessel, the hazardous material flows through the vessel outlet of the neck portion of the pressurized source vessel and into the integrated valve regulator assembly where it is further distributed.
  • the base portion may be mounted to the pressurized source vessel in any number of manners including but not limited to being threadably mounted at a specific tore setting as those of ordinary skill in the art will recognize in order to provide a leakproof seal or by any other method known to those of ordinary skill in the art.
  • the means utilized to mount the base portion of the integral body to the neck portion of the pressurized source vessel it is important to make certain that the mounting is secure and thoroughly sealed in order to prevent leakage of the hazardous material when the hazardous material flows from the pressurized source vessel and into the integrated valve regulator assembly.
  • the integral body may be any type of material which is not susceptible to the effects of coming in contact with the hazardous materials, the preferred material for making the integral body is stainless steel, nickel or monel.
  • the integrated valve regulator assembly also includes an assembly outlet which serves as the point where the hazardous material will exit the integrated valve regulator assembly under specific conditions as further defined herein.
  • This assembly outlet also serves as the point of connection to and between a specific system or a manifold that is capable of sending hazardous material further downstream to one or more downstream systems.
  • the assembly outlet may include a locking mechanism which prevents the inadvertent opening of the assembly outlet and serves as a safety measure when the system is not connected to a downstream system.
  • the locking mechanism may comprise any mechanism which "locks" the outlet until it is connected to a downstream system. Typically this locking mechanism will comprise a plug which is placed in the opening of the outlet and a cap that is locked into place and requires the use of a cap key to remove the cap.
  • the integral body of the gas delivery system further includes a defined internal passage in the integral body.
  • This defined internal passage is a single path or passageway that extends through the integral body between the base portion of the integral body and the assembly outlet.
  • the upstream portion of the defined internal passage is in communication with the vessel outlet of the pressurized source vessel and therefore also serves as the assembly inlet for receiving the hazardous material from the pressurized source vessel. In other words, hazardous material will flow through the vessel outlet of the pressurized source vessel into the upstream portion of the defined internal passage where it will then continue to flow through the defined passageway of the defined internal passage.
  • the integrated valve regulator assembly also includes a sub-atmospheric pressure regulator within the integral body of the integrated valve regulator assembly.
  • the sub-atmospheric pressure regulator lies along the passageway of the defined internal passage with the integral body forming the actual housing of the sub-atmospheric pressure regulator which contains the means for providing sub-atmospheric pressure.
  • the phrase "sub-atmospheric" refers to a pressure that is less than one atmosphere.
  • the means for providing sub-atmospheric pressure comprises a poppet and diaphragm which respond by remaining closed unless downstream is at less than one atmosphere in which case the means opens and allows hazardous material to flow therethrough.
  • the means for providing sub-atmospheric pressure may further comprise an additional safety in the form of two sets of seal rings to allow for double leak tightness in the event that one or more of the other components of the means for providing sub- atmospheric pressure fail.
  • the sub-atmospheric pressure regulator of the present invention does not contain one set point but instead responds to pressure over a range with this response depending upon the pressure in the source vessel and the pressure applied to the system via the assembly outlet. Accordingly, with regard to the present invention when a sub-atmospheric pressure regulator is utilized, the hazardous material will flow through the sub-atmospheric pressure regulator at a pressure that typically ranges from about 50 Torr to about 600 Torr, depending upon the pressure in the pressurized source vessel and the pressure to be applied to the assembly outlet.
  • the corresponding means for responding to pressure is disposed within the defined internal passage and allows for the passage of hazardous material in gas form when the means for providing sub-atmospheric pressure senses a sub-atmospheric pressure downstream of the sub-atmospheric pressure regulator.
  • the integrated valve regulator assembly will alternatively include a super-atmospheric pressure regulator within the integral body of the integrated valve regulator assembly.
  • the pressure regulator will be a super-atmospheric pressure regulator.
  • the phrase "super-atmospheric" refers to a pressure that is greater than one atmosphere .
  • the means for providing super- atmospheric pressure comprises a poppet and diaphragm which respond to pressure by opening and allowing hazardous material to flow therethrough but remain closed when the pressure is not greater than one atmosphere.
  • the means for responding to super- atmospheric pressure may further comprise an additional safety in the form of two sets of seal rings to allow for double leak tightness in the event that one or more of the other components of the means for responding to sub-atmospheric pressure fail.
  • the super- atmospheric pressure regulator of the present invention does not contain one set point but instead responds to pressure over a range with this response depending upon the pressure in the source vessel and the pressure applied to the system via the assembly outlet.
  • the integrated valve regulator assembly further includes an isolation valve positioned within the defined internal passage of the integral body of the integrated valve regulator assembly and located downstream from and in communication with the sub-atmospheric pressure regulator (or in the alternative embodiment, the super-atmospheric pressure regulator).
  • the function of the isolation valve is to allow for the flow of hazardous material in gas form from the sub-atmospheric pressure regulator (or super-atmospheric pressure regulator) and through the isolation valve when the isolation valve is in an opened position.
  • the isolation valves serves to block the flow of hazardous material in the gas form when the isolation valve is in a closed position.
  • the isolation valve is connected downstream to the assembly outlet and therefore once the hazardous material flows through the isolation valve, it will exit the integrated valve regulator assembly and flow further downstream to its point of use.
  • the isolation valve can be operated manually utilizing a handwheel or may be operated utilizing an automatic actuator such as those readily known in the art.
  • the integrated valve regulator assembly still further comprises a filling port that is disposed between the axis for mounting on and coaxially with the neck portion of the pressurized source vessel and the sub-atmospheric pressure regulator (or in the alternative embodiment, the super-atmospheric pressure regulator).
  • the filling port includes a site of injection. This site of injection serves to allow for the direct injection of hazardous material into the defined internal passage of the integral body.
  • the site of injection has an associated filling valve which has an open position and a closed position and allows for the injection of hazardous material into the pressurized source vessel when the filling valve is in the opened position.
  • the filling port will serve as the site for injecting the hazardous material. Note that hazardous material will be injected prior to the withdrawal of the hazardous material for use downstream.
  • the filling port When the gas delivery system is in use for dispensing hazardous material to a downstream system, the filling port will not be in use. This is further ensured through the use of a variety of plugs and caps to secure the site of injection of the filling port and the associated filling valve. More specifically, the filling port may further comprise a safety plug that is positioned within the site of injection of the filling port and a safety cap that is positioned on the exterior of the filling port with each requiring removal prior to the filling valve being opened to allow for the injection of hazardous material into the pressurized source vessel. Once the hazardous material has been injected into the pressurized source vessel, the safety plug and safety cap is replaced and the filling valve is closed in order to secure the filling port.
  • the safety plug and safety cap may each require a separate key to remove the safety plug and safety cap.
  • the filling valve may include a locking mechanism for when the filling valve is not in use.
  • the filling valve may be operated (opened or closed) utilizing either a handwheel or an automatic actuator of the type known in the art. The handwheel is removed and a cap is placed over the position of the handwheel. The cap requires a special key to remove it in order to put the handwheel in position to open the filling valve.
  • a still further embodiment of the present invention involves the use of a vapor dip tube (also commonly referred to as a eductor ) in order to provide an added safety measure for those instances where the hazardous materials being stored are present in both the liquefied gas form and the compressed gas or vapor form.
  • the vapor dip tube prevents the flow of hazardous material in the liquefied gas form into the integrated valve regulator assembly in instances where the pressurized source vessel either falls over, gets knocked over or is positioned on its side.
  • the phrase "liquefied gas form" used in reference to hazardous materials refers to a hazardous material which under pressure is typically in a liquefied form but may also include gas/vapor form of the hazardous material.
  • Non-limiting examples of such hazardous materials which are present in liquefied gas form under pressure include PH 3 , AsH 3, GeH 4 , H 2 Se, COS, TMB, GeF 4 , and AsF 5 .
  • the vapor dip tube of the present invention includes a fritted end.
  • the fritted end of the vapor dip tube has a sintered metal element.
  • the sintered metal element can be stainless steel, nickel, monel or like materials.
  • the sintered metal element has a pore size equivalent from about 10 to about 200 ⁇ m, preferably from about lO ⁇ m to about 50 ⁇ m.
  • the vapor dip tube When the vapor dip tube is present, it is connected to the upstream portion of the defined internal passage.
  • the vapor dip tube is configured to extend from the upstream portion of the defined internal passage into the interior space of the pressurized source vessel when the base portion of the integral body is mounted on and coaxially with the neck portion of the pressurized source vessel, thereby providing communication between the defined internal passage and the interior space of the pressurized source vessel while at the same time preventing hazardous material in liquefied gas form from exiting the pressurized source vessel.
  • the vapor dip tube extends down into the pressurized source vessel and has a curvature that is considered to be outward and in the same direction of the location of the assembly outlet. This curve is therefore considered to be an outward bend pointing in the same direction as the assembly outlet.
  • the pressurized source vessel is in a horizontal position, the vapor dip tube is pointed up thereby preventing hazardous material in the liquefied gas form from flowing to the assembly outlet of the integrated valve regulator assembly.
  • the degree of curvature may vary somewhat, the degree will typically range from about 30 to about 60 ° as measured from the axis that extends from that portion of the vapor dip tube that does not curve to the curve.
  • the dimensions of the vapor dip tube may be any dimension for the disclosed purpose. Typically, the dimensions will vary depending upon the size of the pressurized source vessel. By way of example, typically, based on standard sized pressurized vessels (2.5 liters volume), the entire length of the vapor dip tube will range from about one inch to about five inches with the curved portion accounting for approximately 20 to 50 % of this length.
  • the width of the tube may also vary but will typically range from about 0.25 inches to about 0.75 inches.
  • the vapor dip tube is present in order to serve as a safety measure to prevent the leakage of fluid into the integrated valve regulator assembly and therefore the possible leakage of fluid from the system
  • the vapor dip tube may also be used in embodiments where the hazardous material is in gas form alone.
  • the present invention may further comprise any number of additional components such as a cap to further secure the integrated valve regulator assembly by completely covering during transport, or a filter just upstream of the pressure regulator to aid in removing any debris that may be present before the gas is passed through the pressure regulator (sub-atmospheric or super-atmospheric).
  • the filter will typically be a sintered metal element that is stainless steel, nickel, monel or like materials with a pore size equivalent from about 10 to about 200 ⁇ m, preferably from about lO ⁇ m to about 50 ⁇ m.
  • the present invention provides for an integrated valve regulator assembly (1) that is used with a pressurized source vessel (2) in order to supply hazardous materials to one or more downstream systems.
  • Figure 1 provides a cut away of a pressurized source vessel (2) which depicts the interior space (3) for holding the hazardous material in either a compressed gas phase or a liquefied gas (plus vapor) phase as well as a neck portion (4) which allows for the attachment of the integrated valve regulator assembly (1) to the pressurized source vessel (2).
  • the neck portion (4) has a vessel outlet (5) that traverses the neck portion (4) and serves as the path for the exit of the hazardous material from the pressurized source vessel (2) when the system is in use.
  • Figure 2 provides a front view of the exterior of the integrated valve regulator assembly
  • the integrated valve regulator assembly (1) comprises an integral body (6) that has a base portion (7) that includes an axis for mounting on and coaxially with the neck portion (not shown in Figure 1) of the pressurized source vessel (2).
  • the integral body (6) also includes an assembly inlet (8) for receiving the hazardous material from the pressurized source vessel
  • Figure 2 also shows the filling port (10) which includes a site of injection (not shown) that allows for the direct injection of hazardous material into the pressurized source vessel (2) by way of the integrated valve regulator assembly (1) when the associated filling valve (11) is in the opened position.
  • the filling port (10) When the filling port (10) is not in use, the associated filling valve (11) will be in the closed position (not shown).
  • the assembly outlet (9) is also shown.
  • Figure 3 provides an alternative side view of the exterior of one embodiment of the integrated valve regulator assembly (1) of the present invention. This figure clearly depicts the isolation valve (15) which allows for the exit of the hazardous materials from the integrated valve regulator assembly (1) when the isolation valve (15) is open and a source of vacuum is attached to the assembly outlet (9) where the hazardous material will be further directed to one or more downstream systems for use.
  • Figures 4a, 4b and 4c provide a more detailed depiction of the integrated valve regulator assembly (1) by providing a top view 4a of the integrated valve regulator assembly (1) of the present invention and two cut-away perspectives (front view 4b and side view 4c) of the integrated valve regulator assembly (1) of the present invention.
  • the integral body (6) has a defined internal passage (12) that consists of a single continuous passageway (12, 12b, 12c and 12d) that extends through and between the base portion (7) of the integral body (6) and the assembly outlet (9).
  • the defined internal passage (12) has an upstream portion that is in communication with the vessel outlet (5) of the pressurized source vessel (2). This upstream portion comprises in part the assembly inlet (8) of the integrated valve regulator assembly (1).
  • a pressure regulator (13) that may be either a sub- atmospheric pressure regulator or a super-atmospheric pressure regulator depending in part upon the hazardous materials to be dispensed and the downstream systems to be served.
  • the pressure regulator (13) is assembled within the integral body (6) of the integrated valve regulator assembly (1) with the internal passage (12) of the integral body (6) forming the housing of the pressure regulator (13) within which a means for providing pressure (14)(sub-atmospheric or super-atmospheric) is disposed.
  • the pressure regulator (13) allows for the passage of hazardous material in gas form when the means for providing pressure (14) senses a sub-atmospheric or super- atmospheric (depending upon the pressure regulator utilized) pressure downstream of the pressure regulator (13).
  • the filling port and associated valve (10, 11) empties directly into the internal passage (12) between the assembly inlet (8) and the pressure regulator (13) thereby allowing for the injection of the hazardous materials directly into the internal passage (12) via the injection site (12a) where it will flow into the interior space (3) of the pressurized source vessel (2) when the associated filling valve (11) is open (the reverse route from when the hazardous materials are being dispensed to downstream systems).
  • an isolation valve (15) Downstream from the pressure regulator (13) an isolation valve (15) is positioned within the defined internal passage (12) of the integral body (6) of the integrated valve regulator assembly (1).
  • the isolation valve (15) is in communication with the pressure regulator (13) through the internal passage (12c).
  • the isolation valve (15) allows for the flow of hazardous material in gas form from the pressure regulator (13) through the isolation valve (15) along the internal passage (12c) when the isolation valve is in an opened position and blocks the flow of hazardous material in the gas form when the isolation valve (15) is in a closed position.
  • the isolation valve (15) must not only be open, but a downstream system which provides a pressure of less than one atmosphere must be applied to (connected to and in communication with) the assembly outlet (9).
  • This downstream system along with the amount of pressure in the pressurized source vessel (2) determines at what point the means for providing pressure (14) opens up and allows the hazardous material to flow from the interior space (3) of the pressurized source vessel (2), through the vessel outlet (5) of the neck portion (4) where it then flows into the assembly inlet (8) of the integral body (6) of the integrated valve regulator assembly (1).
  • the hazardous material after entering the assembly inlet (8) flows along the internal passage (12, 12b) where it then enters the pressure regulator (13) and passes through the means for providing pressure
  • the isolation valve (15) is located downstream from the pressure regulator (13) and is in communication with the assembly outlet (9).
  • the hazardous material passes along the internal passage (12c) and through the isolation valve (15).
  • the hazardous material then passes along the remaining portion of the internal passage (12d) before passing through the assembly outlet (9).
  • a means for further distributing the hazardous material via a manifold or such will be connected to the assembly outlet (9) for further distribution of the hazardous materials when a downstream system having a pressure less than one atmosphere (in the case of the sub-atmospheric pressure regulator). In the case of super-atmospheric pressure regulators, the system allows for greater than one atmosphere along the internal passage (12d) through the assembly outlet (9).
  • Figure 5 provides a front view of an alternative embodiment of the integrated valve regulator assembly (1) of the present invention, hi this particular embodiment, the internal passage (12) is connected to a vapor inlet dip tube (16) with a fritted end (17) in order to further prevent the leakage of any hazardous material from the pressurized source vessel (2) when and if the pressurized source vessel (2) is knocked over or placed on its side.
  • the vapor dip tube (16) is configured to extend from the upstream portion of the defined internal passage (12) into the interior space (3) of the pressurized source vessel (2) when the base portion (7) of the integral body is mounted on and coaxially with the neck portion (4) of the pressurized source vessel (2), thereby allowing communication between the defined internal passage (12) and the interior space (3) of the pressurized source vessel (2) while at the same time preventing hazardous material in liquefied gas form from exiting the pressurized source vessel (2).
  • the final figure 6 provides a view of the gas delivery device (1) attached to a pressurized source vessel (2).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)

Abstract

La présente invention concerne un ensemble régulateur de soupape intégré qui comprend un corps intégré ayant une partie de base qui comprend un axe destiné au montage coaxial sur la partie de goulot d'un récipient source sous pression et une sortie d'ensemble, un passage interne défini dans le corps intégré qui s'étend à travers la partie de base du corps intégré et la sortie de l'ensemble et entre et entre celles-ci, un régulateur de pression subatmosphérique assemblé dans le corps intégré de l'ensemble régulateur de soupape intégré, une soupape d'isolation disposée dans le passage interne défini du corps intégré et placée en aval du régulateur de pression subatmosphérique et en communication avec celui-ci, et un orifice de remplissage disposé entre l'axe destiné au montage coaxial sur la partie de goulot du récipient source sous pression et le régulateur de pression subatmosphérique. La présente invention concerne en outre un système pour le stockage et la distribution contrôlés d'un matériau dangereux à une pression subatmosphérique, qui comprend un récipient source sous pression et l'ensemble régulateur de soupape intégré de la présente invention. La présente invention concerne en outre un ensemble régulateur de soupape intégré supplémentaire qui est tel que décrit, à l'exception du fait que le régulateur de pression est utilisé dans des conditions de pression super-atmosphérique, et également un système qui comprend un récipient source sous pression et l'ensemble régulateur de soupape intégré qui comprend un régulateur de pression super-atmosphérique.
PCT/US2008/085525 2007-12-06 2008-12-04 Ensemble régulateur de soupape intégré et système pour le stockage et la distribution contrôlés d'un matériau dangereux Ceased WO2009079218A2 (fr)

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US99296707P 2007-12-06 2007-12-06
US60/992,967 2007-12-06

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CN102966846A (zh) * 2012-11-28 2013-03-13 北京天海工业有限公司 车载液化天然气外胆前封头结构
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US12025997B2 (en) 2018-05-04 2024-07-02 Entegris, Inc. Regulator stability in a pressure regulated storage vessel

Also Published As

Publication number Publication date
US20130112292A1 (en) 2013-05-09
WO2009079218A3 (fr) 2009-11-26
US20090145494A1 (en) 2009-06-11
US8322569B2 (en) 2012-12-04
US8573441B2 (en) 2013-11-05

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